Expansion — Set 4
Physics · प्रसार · Questions 31–40 of 40
A wire has α = 2×10^-5 K^-1 and is heated by 50 K. The fractional increase in length is?
A 1.0 m steel rod has α = 12×10^-6 K^-1 and is heated by 100 K. The increase in length is approximately?
For small temperature changes, the area expansion of an isotropic solid is approximately given by?
The expression for cubical (volume) expansion of a solid is?
If a liquid is heated in a container that also expands, the apparent expansion of the liquid will be?
A bimetallic thermometer works mainly due to?
Thermal strain in a freely expanding rod is given by?
The coefficient of volume expansion of an ideal gas at constant pressure is approximately?
Water pipes can burst in very cold weather mainly because water?
In a mercury-in-glass thermometer, the mercury level rises with temperature mainly because?